SURFACE MOUNT LED LAMPS High Brightness Type Back-fire chip LEDs(Reverse package) SML-812 Series Green Package Size （mm） AlGaInP on GaAs 570nm 3412 (1305) 3.4×1.24 t=1.1 SML-812MT ■ Absolute Maximum Ratings（Ta=25℃） ■ External Dimensions（Unit：mm） Peak Forward Reverse Operating Stotage forward current voltage temperature temperature current IF VR Topr Tstg ＊IFP （mW） （mA） （V） （°C） （°C） （mA） 3.4 1.2 Power Emitting dissipation color PD SML-812MT Green 65 25 60 4 -30 to +85 R1.25 -40 to +85 1.25 Part No. .3 R0 Resist 4- 0.28 1.1 ＊ IFP measured under duty ≦1/ 5,pulse width ≦1ms. ■ Electrical Optical Characteristics（Ta=25℃） Resin Color Part No. SML-812MT Forward voltage VF Typ. (V) Transparent Clear 2.1 Reverse current IR Light wavelength Cathode mark Brightness IV Peak Half-wave ∆λ λp IF (mA) Max. (µA) VR (V) Typ. (nm) Typ. (nm) IF (mA) ( mcd) Min. 20 100 4 570 18 20 14 Typ. IF (mcd) (mA) 40 Terminal 1.8 20 Tolerance:±0.1 ■ Directivity SCANNING ANGLE(deg) X’ 0° Y’ 30° 30° 60° 60° 90° 100 50 0 90° 100 50 Relative brightness (%) (Typ.) ■ Recommemded Pad Layout ■ Packaging Spacifications（Unit：mm） Tape Spacifications：T86〈3,000pcs／reel〉 Reel Spacifications 1.25 Lavel Position Feeding direction 4 φ13 1.2 φ60 φ180 11.4 3.5 5.5 3.7 The recommended thickness of the screen mask for soldering is between 100 and 200μm. The hole size of the screen mask should be same as the recommended land pattern or smaller. 0.5 φ2.4 1.5 （Unit：mm） 8 1.75 φ1.5 4.2 Hole 2 SURFACE MOUNT LED LAMPS ■ Electrical Characteristic Curves Forward Current - Forward Voltage SML-812MT 100.0 10.0 1.0 1.0 1.5 2.0 2.5 1.4 1.2 1.0 0.8 0.6 0.4 −30−20−10 0 10 20 30 40 50 60 70 80 3.0 CASE TEMPERATURE : Tc (℃) FORWARD VOLTAGE : VF (V) Relative Luminous Intensity - Forward Current Ratio of Maximum Tolerable Peak Current - Pulse Duration SML-812MT 10 20％ 200Hz 100Hz 500Hz 1 2kHz 1kHz DF＝50％ 20kHz 10kHz 5kHz 1.5 50kHz DC 2 IFP Max／IF Max RELATIVE LUMINOUS INTENSITY SML-812MT 2.4 15％ 0.5 10％ 5％ 0 0 10 20 30 40 50 1 1 60 Derating SML-812MT 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 AMBIENT TEMPERATURE : Ta (℃) 10 100 1000 PULSE DURATION : Tw (μs) PEAK FORWARD CURRENT : IF peak (mA) MAXIMUM FORWARD CURRENT : IF Max. (mA) SML-812MT 1.6 Ta＝25℃ RELATIVE LUMINOUS INTENSITY FORWARD CURRENT : IF (mA) Relative Luminous Intensity - Case Temperature 10000 Appendix Notes No technical content pages of this document may be reproduced in any form or transmitted by any means without prior permission of ROHM CO.,LTD. The contents described herein are subject to change without notice. The specifications for the product described in this document are for reference only. Upon actual use, therefore, please request that specifications to be separately delivered. Application circuit diagrams and circuit constants contained herein are shown as examples of standard use and operation. Please pay careful attention to the peripheral conditions when designing circuits and deciding upon circuit constants in the set. Any data, including, but not limited to application circuit diagrams information, described herein are intended only as illustrations of such devices and not as the specifications for such devices. ROHM CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any third party's intellectual property rights or other proprietary rights, and further, assumes no liability of whatsoever nature in the event of any such infringement, or arising from or connected with or related to the use of such devices. Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or otherwise dispose of the same, no express or implied right or license to practice or commercially exploit any intellectual property rights or other proprietary rights owned or controlled by ROHM CO., LTD. is granted to any such buyer. Products listed in this document are no antiradiation design. The products listed in this document are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of with would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. About Export Control Order in Japan Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control Order in Japan. In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause) on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction. Appendix1-Rev1.1